A source of wave produces 3 crest and 2 troughs in 2 ms, the frequency of the wave is :

1250 Hz

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

500 Hz

No worries! We‘ve got your back. Try BYJU‘S free classes today!

800 Hz

No worries! We‘ve got your back. Try BYJU‘S free classes today!

750 Hz

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A 1250 Hz
A wave covers 2.5 oscillations while producing 3 crest and 2 through.
Given 2.5 oscillations complete in 2 ms
2.5 oscillations complete in 1 sec.
$\frac{2.5 \times 1 s}{2 \times 10^{- 3} s} = 1.25 \times 10^{3} H z$
$= 1250 H z$

Suggest Corrections

Similar questions

3

3

2 m s

30

30

0.3

[

]

40

40

0.4 s

A wave source produces $20$ crests and $20$ troughs in $0.2 s e c$ . Find the frequency of the wave.

Join BYJU'S Learning Program